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4 years ago

Tomas drew a rectangle with an area of 6 square centimeters. What is the greatest possible perimeter for this rectangle.

1 answer:

8 0

6 by 1.

This is the greatest because it makes 14 (6+6+1+1), which is greater than 3 by 2, which is only 10. (3+3+2+2)

Hope this helps!

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Solve the equation. |x + 5| = 9 {–4, 14} {–14, 4} {4, 14} {–14, –4}

inna [77]

Answer:

{-14, 4}

Step-by-step explanation:

the absolute value function only makes sure that the result always has a positive sign.

so, (x + 5) must be either +9 or -9 to make the original equation true. the absolute value would turn both into +9.

so,

x + 5 = 9

x = 4

and

x + 5 = -9

x = -14

that gives us the correct set of solutions as indicated above.

6 0

3 years ago

You put $400 in a account. The account earns $18 simple interest in 9 months. What is the annual interest rate?

Paha777 [63]

Use the formula,
I = Prt
P = Principal amount = 400
I = interest = 18
r = annual rate
t = time in years = 9/12 = 3/4

so,
18 = 400*r*3/4

r = 0.06
so the annual interest rate is 0.06 or 6%.

8 0

3 years ago

Read 2 more answers

Solve the following equation for x: z=x^2+wx

Alja [10]

Minus z both sides
0=x^2+wx+z
we can use quadratic formula or manually complete the square
let's use quadratic

for
0=ax^2+bx+c
$x= \frac{-b+/- \sqrt{b^2-4ac} }{2a}$
given
0=1x^2+wx-z
a=1
b=w
c=-z

$x= \frac{-w+/- \sqrt{w^2-4(1)(-z)} }{2(1)}$
$x= \frac{-w+/- \sqrt{w^2+4z} }{2}$

$x= \frac{-w+ \sqrt{w^2+4z} }{2}$ or $x= \frac{-w- \sqrt{w^2+4z} }{2}$

4 0

3 years ago

William has $23 to buy strings for his guitar. Each set of strings costs $8.

jeyben [28]

Answer:

William can buy 2 sets of strings.

Step-by-step explanation:

To figure out how many sets William can buy, we divide 23 by 8, which give us 2 with a remainder of 7. With this knowledge we can state that William can purchase 2 set of strings.

4 0

3 years ago

What is 12.4 less then the sum of 19.23 and 10.02?

RideAnS [48]

So sum means the answer to a addition problem and less means subtract.
(19.23+10.02)-12.4= ?
29.25-12.4= 16.85

Hope this helps! If you have any questions, just ask!

5 0

4 years ago